Tomcat is a free open-source web server, which can be installed in Linux as follows:
1. Download tomcat Linux version from the official website: http://tomcat.apache.org/download-60.cgi
2. Upload the file to Linux through ftp
First, ensure that the
When Raspberry Pi is used for the first time, the local Nic of Raspberry Pi is allocated to 192.168.0.103 by the DHCP server. The connection is normal. As a result, I was very happy to insert the wireless network card into Raspberry Pi, eager to get
In the previous blog, Raspberry Pi directly connected to the PC. After lunch, Raspberry Pi can be connected to a PC through a direct connection and has tried using a PC as a hotspot. Why not try to connect Raspberry Pi to a PC through a WLAN? Start
There are two different operating modes for terminal I/O:
If no special processing is performed, the default mode is standard.
. Each terminal device has an input queue and an output queue,As shown in Figure 18-1.
Figure 18-1 logical structure of
Table 18-1 in the http://www.cnblogs.com/nufangrensheng/p/3575752.html to Table 18-4All option flag (except the blocking flag) are represented by one or more bits (set or clear), while the blocking flag defines multiple bits and they are combined,
POSIX.1 defines 11 characters for special processing during input. The Implementation defines other special characters. These special characters are listed in Table 18-6 Summary.
Table 18-6 special terminal input characters
You can change 9 of the 1
Preface
A static library is a collection of obj files.(In the target file, only the variables and functions in the file are parsed, And the referenced functions and variables are not parsed. This requires reference, parses unparsed functions and
In a Linux File System, the index node is the object identifier and the value is unique. The index node values of two different files are different, the content of files with the same index node is the same, but the file names are different. Modify
After CentOS is installed, you generally need to modify the yum source to achieve an ideal speed when installing and updating the rpm package. There are 163 sources and sohu sources that are relatively fast in China. Here we use the 163 source as an
1. fork () method
The fork () function copies a process based on the parent process. Its ID number is different from that of the parent process. In a Linux environment, fork () is implemented by writing and copying, with only memory and other
I. Vi Introduction
Vi is the most common full-screen editor in the unix world. in linux, vim is the enhanced vi version. vim is fully compatible with vi. vi is the abbreviation of "visual interface. It can perform output, delete, search, replace,
Solution:
Fsck not only scans the file system, but also fixes some file system problems, it is worth noting that fsck must scan the file system in single-user mode, repair mode, or umount mode !!!
First, in single-user mode or directly enter
Name: shutdown (start management)
Permission: System Administrator
Usage: shutdown [-t seconds] [-rkhncfF] time [message]
Note: shutdown can be used to shut down the program and send a message to all users before shutdown. shutdown can also be used
Port Number
Port number: A 16-bit integer used to distinguish different processes.
The port number used by the server: TCP and UDP define a set of well-known ports to identify well-known services.
The port number used by the Client: Usually the
12 is a beginner and I think it is interesting. So I learned about Linux. If something is wrong, let's give you some advice. I also began to learn to write blogs because I thought that blogs are not only a record of learning technology, but also a
Refer to this document http://blog.csdn.net/xtdhqdhq/article/details/19197635 (Nagios monitoring server and client installation)
Assume that the supervisor: 192.168.0.10 server1
Monitored machine: 192.168.0.11 server2
Here are some notes:
On server2:
Recently, when deploying servers for the company, we found that the servers they provided were centos6.4. After installing the system and related services httpd, mysql, php, and one-run code, we found that zend encryption in php5.3 was not available,
Download Sublime Text 2 http://www.sublimetext.com/2
You can also execute it in the command line (taking Fedora20 64-bit as an example ):
[root@localhost Downloads]# wget http://c758482.r82.cf2.rackcdn.com/Sublime%20Text%202.0.2%20x64.tar.bz2Find
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